What is the construction and purpose of automotive electrical systems?

Automotive electrical systems are a set of components responsible for starting, charging, powering consumers, and controlling vehicle electronics. They include, among others, the battery, alternator, starter, fuses, relays, controllers, and wiring harnesses. These components are located in different parts of the car and work together through connectors and signal buses.

What are automotive electrical systems used for?

Automotive electrical systems are used to supply energy and transmit control signals to vehicle components. Thanks to them, it is possible to start the engine, charge the battery, and operate lights, windows, air conditioning, and safety systems. A fault in one circuit can affect not only comfort but also the correct operation of other modules.

What role does the wiring harness play in a car?

The wiring harness is an organized set of wires, covers, and connectors that connects individual consumers and controllers in the vehicle. It is used to transmit power, ground, and signals between modules. Its construction depends on the body version, equipment, and mounting location, so when replacing it, you must compare the wire routing, plug type, and number of pins.

How to choose an electrical part for a specific car?

The safest way is to compare the OEM number, manufacturer number, connector type, and mounting location. It is also worth considering the engine version, year of manufacture, body type, and equipment, as the same model may have different variants of the alternator, starter, or controller. In practice, verification by VIN is very helpful.

What symptoms indicate a problem with the electrical system?

Typical signals include difficulty starting, flashing warning lights, dimming lights, unstable charging, or the failure of selected consumers. In some cases, controller errors, air conditioning malfunctions, or periodic power outages also occur. Symptoms must always be linked to a specific circuit and cooperating component.

How to take care of automotive electrical systems in daily use?

The basis is regular inspection of the battery condition, terminals, ground wires, and charging. It is also good to check the tightness of housings, the condition of harness insulation, and the cleanliness of contacts exposed to moisture. A quick reaction to the first symptoms of voltage drops or electronic errors makes it easier to avoid a major failure.

Automotive electrical systems

At Global Parts, we offer a wide selection of original used car parts, including automotive electrical systems for many popular car brands such as BMW, Mini, Mercedes, Audi, Volkswagen, and others. Each of our car parts undergoes quality control to ensure you receive a top-quality product.

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BMW F20 F21 116d ed Diesel N47N 116HP ECU Kit DDE 8579482 + Key + FEM Manual

£284.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8512292-3

BMW E90 E91 LCI N47N 320d 177HP Engine ECU Kit DDE 8512292 CAS3 + Key Manual

£94.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8612583

BMW F45 Mini F60 HV Accumulator Battery Positive B+ Cable Ground 8612583

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9437208

BMW F45 F48 F49 Mini Countryman F60 Ground Earth Cable Adapter Mass 9437208

£23.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8576333-4

BMW F10 F11 520dX F25 20dX N47N 184HP ECU Kit DDE 8576333 Key CAS4 Automatic

£284.95

Free delivery: Jul 14

If paid before 14:00

Part no. 3449386

BMW X3 Series E83 LCI Carrier Plate Bracket Mount Control Unit Box 3449386

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7222633-1

BMW E90 E91 LCI Flat Cable Wiring Wire CAS Start Stop ECU Loom 7222633

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6949226-1

2 x BMW E63 E64 DWA Door Alarm System Module Control Unit Set 6949226

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7577664

BMW E60 E61 LCI 550i N62N 367HP Engine Unit Module ECU DME 7577664 Manual

£161.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9324779

BMW F20 F21 F22 F30 F31 F32 F36 Module Control Unit FEM LR-01 9324779

£94.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8634706

BMW F45 Mini F60 Battery Cable Battery CSC Lead Wiring Harness Loom 8634706

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6866988

Control Unit BMW F06 F07 GT F11 F12 F13 SRS Control Module Bag Unit 6866988

£165.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9115033

BMW E46 E83 E85 Navigation Computer GPS System DVD Player Unit 9115033

£189.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8511372-1

BMW F01 F07 530d 730d N57 Engine Control ECU Kit DDE 8511372 CAS4 Key Automatic

£189.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8582188-1

BMW F01 LCI 740d N57Z 313HP Engine Unit ECU Kit DDE 8582188 CAS4 Key Automatic

£284.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9326083

BMW F34 GT Front Bumper Wiring Cable Loom Harness 9326083

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8697674

BMW F45 Mini F60 Communication Wiring Harness Loom 8697674

£47.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7492026

BMW F20 F21 F30 LCI Headlight Control Unit Module FLE2 7492026

£56.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9326087

BMW F34 GT Adapter Cable Wiring Loom Harness Adapter Lead Front End 9326087

£23.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9380322

BMW F01 F02 F03 F10 F11 F13 Central Gateway Control Lear Module Unit ECU 9380322

£28.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8518569

BMW F20 F21 F30 F31 N47N 116d 316d ECU Control Unit Module DDE 8518569 Manual

£37.95

Free delivery: Jul 14

If paid before 14:00

Part no. 5A4CFA9

BMW G20 LCI Fuse Box Control Module Unit 5A4CFA9

£142.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. 7394466

BMW F10 F11 X5 F15 LCI F32 F33 Adblue Module Control Unit ECU SCR 7394466

£56.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8506444-1

BMW E90 E91 LCI E92 330d Diesel N57 245HP ECU Engine Kit DDE 8506444 CAS3 + Key

£284.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6994554

Camera Control Module BMW F30 F32 F82 Top Rear View Unit 6994554

£80.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9318750-2

BMW F10 F20 F22 F30 F32 Head Unit Navigation Sat Nav DAB High 9318750

£170.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9355490

Mini Cooper F56 Body Control Comfort Module Unit BDC FEM ECU 9355490

£142.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. 9438239

BMW X4M F98 A/C Air Condition Climate Control Unit ECU 9439239

£32.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6807332

BMW G30 530e 530eX B48X Hybrid Battery Wiring Positive Under Floor Cable 6807332

£32.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9170723

BMW E87 E90 E91 E92 CCC MD Professional Navigation System 9170723 Japan

£332.95

Free delivery: Jul 14

If paid before 14:00

Part no. 5A23E05

BMW F40 M135iX B48E Petrol Engine Control Unit ECU DME 5A23E05 Automatic

£151.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9242670

DVD Changer BMW F01 F10 F11 F12 F20 F30 Disc Changer Control Unit 9259800

£142.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. RHD-9251718-1

BMW F20 Door Wiring Loom Harness Cables Front Right O/S 9251718

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8518479

BMW F10 530dX N57N 258HP Diesel Engine Control ECU DDE Kit 8518479 Automatic

£132.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9273867

BMW X3 F25 Alpine Radio Player CD Champ Head Unit Controller 9248423

£180.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7857152

BMW F90 M5 F92 M8 Control Unit Box Support Adapter Plate Bracket Master 7857152

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6946104

BMW 7 Series E65 E66 Sensor Front Right Door Airbag O/S 6946104

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9171589

BMW X5 Series E53 Mobile Telephone Connecting Line Cable 9171589 84109171589

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9282119

BMW F10 CAS 4 Car Access System Control Module Unit ECU CAS4 CG+ELV 9282119

£75.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6955431

BMW Z4 E85 Map Fuse Box Grouping Diagram 6955431

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7576719-1

BMW E90 E91 E92 E93 325i N53 218HP ECU Kit Control Unit DME 7576719 Automatic

£313.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9331165

BMW G11 Fuse Box Power Distribution Module Rear Bracket Cover Carrier 9331165

£28.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6937668

BMW X5 Series E53 Fuse Box Label Trim Cover Panel Sticker 6937668

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8643741-2

BMW X1 E83 Z4 E89 20i N20 184HP sDrive Engine Control ECU 8643741 Automatic

£180.95

Free delivery: Jul 14

If paid before 14:00

Part no. 1439559

BMW X5 Series E53 Battery Cable Plus Pole 1439559

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6928581

BMW X5 Series E53 Antenna Cable Aerial Telephone Line 6928581 61126928581

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8571350

BMW 1 5 Series F10 F11 F20 F21 LCI B47 Starter Acoustic Vibration Plug 8571350

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8711311

BMW G20 LCI Positive Plus Battery Wiring Cable Loom 8711311

£28.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9214239

Belt Retractor BMW F01 F02 EMA Front Left Control Unit Air Module Bag 9214239

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6819335

BMW F20 F30 BCM Body Comfort Control Module CCM Unit ECU 6819335

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8518268-4

BMW E90 E91 LCI 318d Diesel 143HP N47N ECU Kit DDE 8518268 + CAS3 + Key Manual

£66.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9153806

BMW F01 F02 Rear Heater Blower Motor Resistor 9153806

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8586540-7

BMW X3 F25 X4 F26 30dX N57N 258HP Control Unit ECU Kit DDE 8586540 CAS4 + Keys

£161.95

Free delivery: Jul 14

If paid before 14:00

Part no. RHD-9359020

BMW F06 F06N F12 F12 LCI Head Up Display Hud Projector Dash Screen 9359020

£75.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9347914

BMW 5 Series F07 F10 F11 CAS4 Control Unit Key Reading Module 9347914

£108.95

Free delivery: Jul 14

If paid before 14:00

Part no. rhd-6815500

Head-Up Display BMW F10 F11 Hud Project Dash Screen Control Unit Module 9252342

£47.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6798102

BMW F01 F02 F12 F13 VDC Module Rear Suspension Level Control Unit 6798102

£94.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8714476

Door Wiring BMW F40 Driver Side Door Cable Harness Loom 8714471

£37.95

Free delivery: Jul 14

If paid before 14:00

Part no. 5A57780

BMW F40 118i B38 Engine Control Unit Module ECU 5A57780 Dual Clutch Gearbox

£474.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6933267

BMW 7 Series E65 E66 E67 Control Unit Door Front Passenger Side 6933267

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9243559

BMW X6 Series E71 Cable Loom Door Rear Left Right N/O/S Wiring Harness 9243557

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9203304

BMW X5 Series E70 Cable Loom Door Rear Left Right N/O/S Wiring Harness 9207857

£28.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9348358

BMW E60 Body Comfort Control Unit DDE Module ECU 9348358

£75.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6987999

BMW 3 Series E91 Xenon Footwell Light Module Control Unit ECU PL2 FRMFA 6987999

£94.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9267244

BMW F10 F12 F20 F30 F31 F36 Telematics Communication Box Cover Lid 9267244

£28.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6916565

BMW 5 X5 Series E38 E39 E53 Hands-free Electronics Charging Module MOTOROLA

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7561834-11

BMW E87 E90 E91 118i 318i N46 129HP ECU KIT DME CAS2 Key 7561834 Manual Gearbox

£189.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6837359

Air Module BMW F01 LCI F07 F10 F11 F22 F25 Control ECU 6837359

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6927786

BMW X5 Series E53 Amplifier Compensator Holder Catch Bracket 6927786

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7578020-2

BMW E93 Engine Control Unit ECU 218 HP 325i N53 Petrol KIT 7578020 Manual

£474.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. 9244161

BMW F01 F02 F03 F04 Head Unit Radio Media Player Navigation 9244161

£146.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6882780

BMW X5 F15 X6 F16 Power Steering Column Control Unit Module 6882780

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6838608

BMW 1 2 Series F40 F44 Radio Antenna Amplifier FM1 / AM / DAB 6838608

£75.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9389070

BMW F20 F30 LCI REM Electric Power Distribution Fuse Box Control 9389070

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9181881

BMW X3 E83 Telematics Bluetooth Control Unit Module 9181881

£56.95

Free delivery: Jul 14

If paid before 14:00

Part no. rhd-7532998

BMW 5 6 7 Series E60 E61 E64 E65 Cable Alternator-Starter-Base B 7532998

£18.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8576341-6

BMW F20 F21 F30 F31 116d 316d 116HP N47N ECU Kit DDE 8576341 + Key + FEM Manual

£189.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8518568-2

BMW F20 F30 F32 120d 320d 420d Diesel N47N 184HP ECU Kit DDE 8518568 + Key + FEM

£189.95

Free delivery: Jul 14

If paid before 14:00

Part no. E60-CIC-5G-CP

BMW E60 Navigation Media Screen 10,25" GPS Android System E60-CIC-5G-CP

£427.95

Free delivery: Jul 14

If paid before 14:00

Part no. 7809999-5

BMW X3 E83 LCI 2.0sd N47 177HP Engine Control Module Unit ECU DDE 7809999 Manual

£151.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8578082

BMW F30 F32 F36 335dX 435dX N57Z 313HP Engine ECU Unit Kit DDE 8578082 Key FEM

£284.95

Free delivery: Jul 14

If paid before 14:00

Part no. rhd-8507851

BMW E84 18dX 20dX N47N Wiring Cable Harness Gearbox Transmission Module 8507851

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8585380-1

BMW F30 330d F32 430d N57N 258HP Control Unit ECU Kit DDE 8585380 FEM Key

£237.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8585729

BMW 3 Series F30 320d N47N Engine Gearbox Module Wiring Loom Harness Cables Set

£47.95

Free delivery: Jul 14

If paid before 14:00

Part no. 5B5FF36

BMW F70 F74 G60 X1 U11 Front Windscreen Camera Control Unit Module 5B5FF36

£265.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8514740-2

BMW F30 F31 320d ed Diesel N47N 163HP ECU Kit DDE 8584276 + Key + FEM Automatic

£189.95

Free delivery: Jul 14

If paid before 14:00

Part no. rhd-8593971

Engine Unit Bracket BMW X5 F15 X6 F16 ECU Module Fuse Box Holder Cover 7555121

£23.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8582279-8

BMW F30 F32 F34 GT 320d 420d N47N 184HP Engine Module Unit ECU DDE 8582279

£42.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6926933

BMW E65 E66 6-fold CD Changer Multichanger with Magazine 6926933

£142.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9228490

BMW F10 Body Control Module JBBFE III V5 Junction Box ECU 9228490

£32.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8573260-6

BMW F20 F21 116d ed Diesel N47N 116HP ECU Kit DDE 8573260 + Key + FEM Manual

£189.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9123038-1

BMW E81 E87 E91 Switch Cluster Cruise Control Stalk Unit 9123038

£165.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. 7068054-1

BMW 5 7 Series E60 E61 E65 E66 Front Seat Transmission Bracket Arm 7068054

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 9274357

BMW 4 F32 Wiring Loom Harness Cable 9274357

£28.95

Free delivery: Jul 14

If paid before 14:00

Part no. 6930302

BMW E60 E61 E63 E64 Actuator Ventilation Motor Heater Right O/S 6930302

£13.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8589168

Alternator Harness BMW X3 G01 X4 G02 30dX 40dX B57 Cable Base B+ Loom 8589168

£47.95

Free delivery: Jul 14

If paid before 14:00

Part no. 8573260-8

BMW F20 F21 116d ed Diesel N47N 116HP ECU Kit DDE 8573260 + Key + FEM Manual

£189.95

Free delivery: Jul 15 – 22

If paid before 14:00

Part no. 6824110

BMW 3 F30 LCI 330e Hybrid High Voltage Battery Wiring Loom Harness 6821420

£75.95

Free delivery: Jul 14

If paid before 14:00

Part no. 5B4E028

Remote Control Receiver BMW F70 X5 G05 G60 U06 Mini F65 Radio Module 5B4E028

£32.95

Free delivery: Jul 14

If paid before 14:00

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